A capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device

摘要

Capsule containing a substance for the preparation of a potable beverage. The capsule comprises an aluminum capsule body having a side wall and an outwardly extending flange and a sealing member at the outwardly extending flange for providing a fluid sealing contact with an enclosing member of a beverage preparation device. The beverage preparation device comprises an annular element having a free contact end which is provided with a plurality of radially extending open grooves. The sealing member is formed by the outwardly extending flange of the aluminum capsule body, wherein at least said outwardly extending flange is made of aluminum sponge.